Version 1.0
Published July 2020
Copyright©2020 ASRock INC. All rights reserved.
Copyright Notice:
No part of this documentation may be reproduced, transcribed, transmitted, or
translated in any language, in any form or by any means, except duplication of
documentation by the purchaser for backup purpose, without written consent of
ASRock Inc.
Products and corporate names appearing in this documentation may or may not
be registered trademarks or copyrights of their respective companies, and are used
only for identication or explanation and to the owners’ benet, without intent to
infringe.
Disclaimer:
Specications and information contained in this documentation are furnished for
informational use only and subject to change without notice, and should not be
constructed as a commitment by ASRock. ASRock assumes no responsibility for
any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock does not provide
warranty of any kind, either expressed or implied, including but not limited to
the implied warranties or conditions of merchantability or tness for a particular
purpose.
In no event shall ASRock, its directors, ocers, employees, or agents be liable for
any indirect, special, incidental, or consequential damages (including damages for
loss of prots, loss of business, loss of data, interruption of business and the like),
even if ASRock has been advised of the possibility of such damages arising from any
defect or error in the documentation or product.
is device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
CALIFORNIA, USA ONLY
e Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance
controlled in Perchlorate Best Management Practices (BMP) regulations passed by the
California Legislature. When you discard the Lithium battery in California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/
perchlorate”
ASRock Website: http://www.asrock.com
AUSTRALIA ONLY
Our goods come with guarantees that cannot be excluded under the Australian Consumer
Law. You are entitled to a replacement or refund for a major failure and compensation for
any other reasonably foreseeable loss or damage caused by our goods. You are also entitled
to have the goods repaired or replaced if the goods fail to be of acceptable quality and the
failure does not amount to a major failure. If you require assistance please call ASRock Tel
: +886-2-28965588 ext.123 (Standard International call charges apply)
e terms HDMI® and HDMI High-Denition Multimedia Interface, and the
HDMI logo are trademarks or registered trademarks of HDMI Licensing LLC in the
United States and other countries.
Motherboard Layout
ATXPWR1
FS B80 0
DDR 4_A1 (6 4 bit, 28 8-pin m odule )
DDR 4_A2 (6 4 bit, 28 8-pin m odule )
Sup er
I/O
LAN
AUDIO
CODEC
PCIE2
PCIE1
USB_3_ 4
USB_5_ 6
HD_AUDIO1
1
CPU_FAN1
1
COM1
3
4
2
9
5
USB 2.0
T: USB1
B: USB2
PS2
Keyboard/
Mouse
CMOS
Battery
1
USB3_5 _6
1
CHA_FAN2
HDLED RESET
PLED PWRBTN
PANEL1
1
RoHS
1518
16
13 1214
19
SPK_CI1
1
USB 3.2 Gen1
T: USB1
B: USB2
Top:
LINE IN
Cent er:
FRONT
Bott om:
MIC IN
RJ- 45 LAN
USB 3.2 Gen1
T: USB3
B: USB4
TPMS1
1
HDMI1
ATX12V
7
8
6
CLRMOS1
1
SATA3_3
SATA3_4
AMD
Promontory
A320
SOCKETAM4
CHA_FAN1
11
10
SATA3_1
SATA3_2
17
M2_1
A320M-HD R4.0
A320M-HD R4.0
English
1
BIOS
ROM
No. Description
1 ATX 12V Power Connector (ATX12V1)
2 CPU Fan Connector (CPU_FAN1)
3 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_A2)
4 ATX Power Connector (ATXPWR1)
5 USB 3.2 Gen1 Header (USB3_5_6)
6 USB 2.0 Header (USB_3_4)
7 USB 2.0 Header (USB_5_6)
8 SATA3 Connector (SATA3_3)
9 SATA3 Connector (SATA 3_4)
10 SATA3 Connector (SATA3_1)
11 SATA3 Connector (SATA3_2)
12 System Panel Header (PANEL1)
13 Chassis Intrusion and Speaker Header (SPK_CI1)
14 COM Port Header (COM1)
15 TPM Header (TPMS1)
16 Chassis Fan Connector (CHA_FAN2)
17 Clear CMOS Jumper (CLRCMOS1)
18 Front Panel Audio Header (HD_AUDIO1)
19 Chassis Fan Connector (CHA_FAN1)
English
2
A320M-HD R4.0
I/O Panel
1 2 4
No. Description No. Description
1 USB 2.0 Ports (USB12) 6 USB 3.2 Gen1 Ports (USB3_34)
2 LAN RJ-45 Port* 7 USB 3.2 Gen1 Ports (USB3_12)
3 Line In (Light Blue)** 8 HDMI Port
4 Front Speaker (Lime)** 9 D-Sub Port
5 Microphone (Pink)** 10 PS/2 Mouse/Keyboard Port
3
5678910
English
3
** Function of the Audio Ports in 7.1-channel Conguration:
Port Function
Light Blue (Rear panel) Rear Speaker Out
Lime (Rear panel) Front Speaker Out
Pink (Rear panel) Central /Subwoofer Speaker Out
Lime (Front panel) Side Speaker Out
English
4
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